6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
metal gaskets for the sealing of liquids and gasses, suited to applications on valves, pumps, pistons, process fluids and petroliferous products, agitators, flanges, compressors, hatches, tank lids, mixers, and other products, for use in the thermoelectric, petrochemical, chemical, food, beverage, oxygen, pharmaceutical, steel mill, rolling-mill, marine, sewage, paper and cement industries, and other industrial applications
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
non-metal gaskets, made in whole or in part of carbon, graphite, vegetable fibers, synthetic fibers, polytetrafluoroethylene (ptfe), aramid fibers, glass fibers, or ramie fibers, and which may include microreinforcement by metallic filament for sealing of liquids and gasses, suited to applications on valves, pumps, pistons, process fluids and petroliferous products, agitators, flanges, compressors, hatches, tank lids, mixers, and other products, for use in the thermoelectric, petrochemical, chemical, food, beverage, oxygen, pharmaceutical, steel mill, rolling-mill, marine, sewage, paper and cement industries, and other industrial applications; non-metallic gaskets, made in whole or in part of graphite, aramid fibers, elastomeric binder and mineral loads for the sealing of liquids and gasses, suited to applications on valves, pumps, pistons, process fluids and petroliferous products, agitators, flanges, compressors, hatches, tank lids, mixers, and other products, for use in the thermoelectric, petrochemical, chemical, food, beverage, oxygen, pharmaceutical, steel mill, rolling-mill, marine, sewage, paper and cement industries, and other industrial applications